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Enable and disable the HDMI port on the Raspberry Pi: `rpi-hdmi on` to turn on, `rpi-hdmi off` to turn off. X is properly reinitialized when re-enabling.
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#!/bin/sh | |
# Enable and disable HDMI output on the Raspberry Pi | |
is_off () | |
{ | |
tvservice -s | grep "TV is off" >/dev/null | |
} | |
case $1 in | |
off) | |
vcgencmd display_power 0 | |
;; | |
on) | |
vcgencmd display_power 1 | |
;; | |
status) | |
if is_off | |
then | |
echo off | |
else | |
echo on | |
fi | |
;; | |
*) | |
echo "Usage: $0 on|off|status" >&2 | |
exit 2 | |
;; | |
esac | |
exit 0 |
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A better way to shut off Raspberry pi screen (tested on raspberry pi 4)